{"schema_version":"secwatch.filing_event.v1","accession":"0001709682-21-000078","form_type":"8-K","ticker":"CTOS","cik":"0001709682","company_name":"Custom Truck One Source, Inc.","filed_at":"2021-12-09T23:59:59+00:00","discovered_at":"2026-05-14T18:04:13.782336+00:00","generated_at":"2026-06-28T02:30:04.438512+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Director John-Paul Munfa resigns from Custom Truck One Source board due to Blackstone stake reduction","bullets":["John-Paul Munfa resigned from the Board and Compensation Committee effective December 6, 2021.","Resignation follows reduction in Common Stock ownership by Blackstone-affiliated funds.","No disagreement with company or management cited; Board plans to fill vacancy."],"urls":{"canonical":"https://secwatch.observer/filing/0001709682-21-000078","json":"https://secwatch.observer/filing/0001709682-21-000078.json","markdown":"https://secwatch.observer/filing/0001709682-21-000078.md","text":"https://secwatch.observer/filing/0001709682-21-000078.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1709682/000170968221000078/0001709682-21-000078-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1709682/000170968221000078/nsco-20211206.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T02:30:04.438512+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"362379dfca","claim":"John-Paul Munfa resigned as Director at Custom Truck One Source, Inc..","evidence_excerpt":"On December 6, 2021, John-Paul Munfa notified the Board of Directors (the “Board”) of Custom Truck One Source, Inc. (the “Company”) of his decision to resign from the Board and the Compensation Committee of the Board, effective December 6, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1709682/000170968221000078/0001709682-21-000078-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}